Code cleanups
Code cleanups

Remove extraneous override of _create_in_cfs_ine()

Do not check if storage object passed into LUN._configure() is a
StorageObject. If it acts like a storageobject we're fine.

Shorten an exception message.

Signed-off-by: Andy Grover <b7d524d2f5cc5aebadb6b92b08d3ab26911cde33@redhat.com>

agrover/rtslib-fb,mikenawrocki/rtslib-fb,mikenawrocki/rtslib-fb,cvubrugier/rtslib-fb